Revenue (Revenue Disaggregated By Major Revenue Streams) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Disaggregation of Revenue [Line Items]
Revenue	$ 133,968	$ 35,202	$ 394,822	$ 100,820
Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,876	16,429	46,314	50,232
Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	118,092	18,773	348,508	50,588
Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	33,979	15,608	102,817	48,388
Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,438	7,075	19,696	22,535
Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	27,541	8,533	83,121	25,853
Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	83,427	1,862	241,365	6,169
Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7	0	13	0
Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	83,420	1,862	241,352	6,169
Account Holder Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,419	1,434	4,240	4,255
Account Holder Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,419	1,434	4,240	4,255
Account Holder Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Lending Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,052	5,614	14,332	16,171
Lending Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,052	5,614	14,332	16,171
Lending Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,620	7,917	16,641	16,103
Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	298	40	584	252
Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,322	7,877	16,057	15,851
Interest From Customers [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,555		4,254
Interest From Customers [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0		0
Interest From Customers [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,555		4,254
Insurance Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,584	2,169	7,118	6,396
Insurance Revenue [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,584	2,169	7,118	6,396
Insurance Revenue [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,332	598	4,055	3,338
Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	78	97	331	623
Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,254	501	3,724	2,715
South Africa [Member]
Disaggregation of Revenue [Line Items]
Revenue	128,438	34,805	378,057	99,600
South Africa [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	15,876	16,429	46,314	50,232
South Africa [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	112,562	18,376	331,743	49,368
South Africa [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	32,678	15,211	98,871	47,168
South Africa [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,438	7,075	19,696	22,535
South Africa [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	26,240	8,136	79,175	24,633
South Africa [Member] \| Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	79,315		228,873
South Africa [Member] \| Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	7		13
South Africa [Member] \| Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	79,308		228,860
South Africa [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,552		16,455
South Africa [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	298		584
South Africa [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,254		15,871
South Africa [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,283		3,914
South Africa [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	78		331
South Africa [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,205		3,583
Rest Of World [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,530	397	16,765	1,220
Rest Of World [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	5,530	397	16,765	1,220
Rest Of World [Member] \| Processing Fees [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,301	397	3,946	1,220
Rest Of World [Member] \| Processing Fees [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0	0	0	0
Rest Of World [Member] \| Processing Fees [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	1,301	$ 397	3,946	$ 1,220
Rest Of World [Member] \| Telecom Products And Services [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,112		12,492
Rest Of World [Member] \| Telecom Products And Services [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0		0
Rest Of World [Member] \| Telecom Products And Services [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	4,112		12,492
Rest Of World [Member] \| Technology Products [Member]
Disaggregation of Revenue [Line Items]
Revenue	68		186
Rest Of World [Member] \| Technology Products [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0		0
Rest Of World [Member] \| Technology Products [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	68		186
Rest Of World [Member] \| Other [Member]
Disaggregation of Revenue [Line Items]
Revenue	49		141
Rest Of World [Member] \| Other [Member] \| Consumer Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	0		0
Rest Of World [Member] \| Other [Member] \| Merchant Segment [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 49		$ 141